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AUDIO AND VISUAL SYSTEM(for Radio and Display Type), Diagnostic DTC:B158F

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DTC Code DTC Name
B158F AV Signal Stoppage (Low Battery Voltage)
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DESCRIPTION

This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily.

DTC No. Detection Item DTC Detection Condition Trouble Area
B158F AV Signal Stoppage (Low Battery Voltage) A video or audio signal is interrupted when the battery voltage drops.

  • Harness or connector

  • Radio and display receiver assembly
Table 1. *a RADIO *b from Battery *c Radio and Display Receiver Assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following procedure.

Tip:

When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Services (w/ Connected Services Function).

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PROCEDURE


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    CHECK VEHICLE SIGNAL (OPERATION CHECK)


    1. B0027B1

      Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

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    2. Measure the battery voltage.

      Standard voltage
      11 to 14 V
      Tip:

      This display is updated once per second.

      Result
      Proceed to
      OK
      NG

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    CHECK DTC


    1. Clear the DTCs.

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      1. Body Electrical > Navigation System > Clear DTCs


    2. Recheck for DTCs and check that no DTCs are output.

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      1. Body Electrical > Navigation System > Trouble Codes


      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    • OK

      USE SIMULATION METHOD TO CHECKClick here

    • NG

      REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLYClick here

  3. Click here

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - BATTERY)


    1. B0026U1C44
      *a

      Front view of wire harness connector

      (to Radio and Display Receiver Assembly)

      Disconnect the radio and display receiver assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      G40-4 (+B1) - Body ground Always 11 to 14 V
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLYClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR